22331128 has 24 divisors (see below), whose sum is σ = 43054200. Its totient is φ = 10858464.

The previous prime is 22331053. The next prime is 22331159. The reversal of 22331128 is 82113322.

It is a junction number, because it is equal to n+sod(n) for n = 22331099 and 22331108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9933 + ... + 11971.

It is an arithmetic number, because the mean of its divisors is an integer number (1793925).

Almost surely, 2^22331128 is an apocalyptic number.

It is an amenable number.

22331128 is a deficient number, since it is larger than the sum of its proper divisors (20723072).

22331128 is a wasteful number, since it uses less digits than its factorization.

22331128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119 (or 2078 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 22331128 is about 4725.5822921625. The cubic root of 22331128 is about 281.6027469924.

The spelling of 22331128 in words is "twenty-two million, three hundred thirty-one thousand, one hundred twenty-eight".